Therm-O-Disc Inc. Sub Of Emerson Electric Co · Electronic Components
1H503
Resistor, Thermal
Part Number1H503
ManufacturerTherm-O-Disc Inc. Sub Of Emerson Electric Co
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-067-4492 (NSN)
Federal Item NameRESISTOR,THERMAL
Federal Supply Class5905 — Resistors
Terminal Diameter0.0201 INCHES NOMINAL
Maximum Operating Temp400.0 CELSIUS
Temp Points For Resistance Reading75.0 CELSIUS FIFTH RESISTANCE-TEMPERATURE POINT
Zero Power Resistance At Specified40.0 OHMS NINTH RESISTANCE-TEMPERATURE POINT
Resistance Tolerance At A Specifie-16.1 TO 16.1 FIRST RESISTANCE-TEMPERATURE POINT
Reference Temp In Deg Celsius25.0
Cubic Measure0.0007 CUBIC INCHES
Body Length0.150 INCHES NOMINAL
Terminal Length1.125 INCHES NOMINAL
Power Dissipation Constant In Mill2.0
Body Outside Diameter0.070 INCHES NOMINAL
Vendor Part Numbers5015433-001
ESD/EMICode B — ESD/EMI sensitive item
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is 1H503 available?
We can source 1H503 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is 1H503 by Therm-O-Disc Inc. Sub Of Emerson Electric Co obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1H503 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like 1H503?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for 1H503?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.